Smoking pipe



Aug l 19444 (l P. J. snEGER v 2,354,712

SMOKING PIPE Fiied May 7, 1942 13 30141126 1o e A 20 55 459 5K4? 3mm wwwPatented Aug. l, 1944 UNITED f PATENT oFF-ice 1 sMoniNGLrIP lPhilip VJst`ieger, stfPaiLjluinnf Application-inlay i7,I 1942, S'erial No.V442,029

' y 5 ciaiinsfi (civiel-195),

My yinvention relates to anim'proveme'nt in smoking pipe, wherein it isdesired toprovi'de'a cool, sweet, clean, dry smoke.

Itis the object of th'epresent invention to provide a pipe having Van'unusual amount'of uninsulated surface to. (provide ehcient A heattransfer.'. This I accomplish'by providingorleor a series of lpassagesor lues through 'the .smoke chamber ofthe pipe, through which airmayjflow These ues are constructed'of metaly orbth'er' material of goodheat conductivity. y' Ihe smoke, in contacting the surfaces of theseflues will be cooled, thereby providing -a cool, dry smoke.

It is an object of the present inventio'ntoprovide a pipe having a smokechamber through which smoke must pass, and having one'or more of aseries of air flues passing through the smoke'f chamber, which lues actto condense-moisture from the smoke. The relatively cool surfaces of thesmoke chamber and of the air flues tends tov condense any moisturecontained in the smoke, and to thereby provide a drier smoke than isordinarily possible. A feature of the present `invention lies intheprovision of a pipe having a bit end at one end thereof designed to beheld between the teeth, andv being concave or inwardly beveledv at itsother end. An integral or separateft'ubeor tubes projects outwardly fromthis other end of the bit, but,the concave Shapeof the end s pro-1 videdto space the free'end ofthetube Aa con` siderable distance'from the saidother end of the bit. In this way, I increase the amount of travel ofany condensed moisture upon the walls. of

the pipes encircling the '.bit, `before the'moisfture can enterV the endof` the ,projectir i g .tube or tubes.

A further feature of the present in veritioriliesV in the provision of apipe havingan `elongated smoke chamber which is hollowand which is openat both ends so as to permit th'eentire length of the smoke chamber tobe V,internally cleaned when it is so desired. A plug is provided fornormally closing one end of the srriokechamclosesthe other endber, whilethe bit normally thereof.

A "further feature ofthe presentinventionliesin theprovision of aiiue ornues, which.extendI entirelythrough the smokechamber, By provid-,z 501ing such a ue or ues, .a passage of air iis .p ro,

vided which may continuously ilow through thev flue.l or fluesto coolthe smoke:l Because of the heat of the -bowl of the pipe when thesameisin use, vthe' lb o dy ofthe piperwillbe heated to,

some eitent and this heating will be somewhat uneven; ffAsa result, acontinuous flow of air will 'circulate through the ue o'r flues,particularly during operationof the pipe.

A further 'object of thepresent invention lies in the provision ofinside vflues extending through the smoke chamber. These lues act toabsorb part ofthe heat which might normally be trans: ferred to theouter barrel. 'Thus WithV my con= struction Athe pipe-isexternallycooler, and more comfortable to ha'ndle. 1 j These and other objects-andnovel features of y'my invention will be more clearly and fully setforth'in the following's'pecification and claims. In the ldrawingforming a partof my specifica# tion:

' Figure lV is a top plan View vof my 'pipe ing the constructionthereof. Figure 2 is a sectional view' of the pipe illus# trated inFigure l, the section being taken on a horizontal plane beneath the bowlof the pipe.

Figure 3 is a vertical section throughfthe pipe showing the constructionthereof. Figure 4 is a cross-sectional view through the' pipe, theposition of the section being indicated by the line 4 4 of Figure 3.

Figure 5 is an end view of the pipe, va 'portion of the bowl beingbroken away. Figure 6 is a top plan view of the bit and flue Vattachedthereto.

Figure `'7 is a top plan view of a modified forni of construction ofpipe, ajportion of the b'alrrell being lbroken away to disclose theconstrue` tion thereof, Figure l8 is a vertical sectionthroughthepipeillustrated in Figure'?.

show-r Figure 9 is a transverse section through the'bitf" of the pipeillustrated in Figure 7.

Figure l0 is a cross-sectional View through `the pipe illustrated inFigures 7 and 8. Figure 11 is a topplan view of a modifie o f, pipebarrel,construction. l v

The pipe A, I"lustrated in Figures 1 through '.6'A of the drawing,includes an elongated tubular barrel or sleeve lll preferably providedwith tapering ends` I l and I2'. A bit I3 is vprovided .with a; circularportion I4 of proper diameter to lfric-` tionally t into one en'doffthebarrell l0. plug l5 is provided with a circular should er `l'6' ofa size to twithin the other end of the d forni sleeve or barrel l0. Thesmoke chamber of the the interieursf` the barrel IU. Thebowl I'Tini Iprovide a hollow tubular bolt 20. The bolt 20 is provided with a head 2Iand a hollow tubular shank 22, which is externally threaded to t throughthe sleeve or barrel II). A gasket 23 may, if desired, be providedbetween the base of Y'the bowl I1 and a boss 24 whichmay be provided onthe outer surface Vvof the barrel I and against which the bowl mayengage. The tubular shank 22 forms a passage for smoke and moisture fromthe bowl I'I to the interior of the sleeve or barrel I0.` The bit I3 isconstructed with a pair of spaced smoke passages 25 extendinglongitudinally therethrough. These smoke passages 25 terminate in a pairof forwardly pro" jecting tubes 26. These spaced tubes 26 are of.

vsmall diameter and may be formed `integrally with the bit I3, or maycomprise tubular ele thereof is usually closed by a plug 49.

ments, such as short metal tubes which are in-UV serted into an end ofthe bit I3. The tubes 26 are preferably spaced from the inner walls ofthe sleeve or barrel I9 so that moisture can not be conducted from theseinner. walls through the smoke passages in the tubes 26.

. Between the tubes 25, I provide a central recess 2l in the bit I3 toaccommodate the end of a tubular core element 29. V'Ihis core element 29is rmly attached to the bit I3 and may be integral therewith, ormay bepressed into the same. The tubular core 29 may be formed of the samematerial as the bit or may b'e formed of other material, such as metal,which is a good conductor of heat. A passage 30 extends vverticallythrough the bit I3 and is open at both ends thereof. This opening orpassage 30 is in communication with the passage through the tubular core29. In other words, air may pass through the opening 30 and through thetubular core 29 to be exhausted out of the pipe at the other end of thesame. Oppositely arranged spiral grooves 3| may be provided on the outersurface of the core 29 if it is so desired to tend to direct the smokein a swirling path so as to'increase the travel thereof.

. It should be noted that the end of the shoulder I4 of the bit I3 isconcave in shape so as to increase moisture capacity of the barrel. Thisconcave shape is best illustrated in Figures 2, 3, and 6 of thedrawing.'

The plug I5 has a central opening 32 therethrough which will accommodatethe end of the tubular core 29. The opening 32 fitsabout the tube `witha friction t which will permit ready passage of the tube through thesame, but which will prevent air from entering the smoke cham-A, ber.The outer surface of the plug I5' is prefer-` ably knurled or grooved at33r so asto simplify the task of removing the plug. Y

It should be noted that the bowl I'I of the pipe is removable soV thatvthe passage 22 therefrom may be readily cleaned. It should-alsobe notedthat the tubularshank 22 forming` the passage 1 projects into the barrelII) so that liquid or condensationlwill not run intothe passage from thewalls of the barrel II). In orderto provide additio'naisupport for thetubular core 29 which is in centered position with respect to the barrelIII, I provide twovor more spacing ears 34 which en-V gage thej walls ofthe barrel and support the tube. WhenV assembled the air may flowpassage 30 and through the tubular core-29 and also through the opening32 in thecap I5.- The air may flow in either direction depending uponthe position of the pipe and circulation is insured b'y the slightwarming of the tube by the smoke from the pipe bowl.v

The bowl 4I is provided with a bowl cavity 42 at the base of which isprovided a tubular bolt 43. The bolt 43 is provided with a head 44 and a'hollow' shank 45 which is externally threaded to fit through .the bowland through the boss 46 which may be provided on the surface of thethrough the The air passing through 7.5v

barrel 35. The free end of the shank 45 is preferably at some distancefrom the inner wall of the barrel 35 so as to'prevent moisture orcondensation from flowing Vinto the tubular shank 45 from the barrelwalls.

The plug cap 49 is preferably provided with a shoulderv 41 whichfrictionally engages within the end of the barrel 35'. The plug cap 40is in appearance similar to the plug I5 previously de- .scribedand ispreferably provided externally with knurling or grooves 40, making theplug easier to grip and turn with the fingers.

The bit 39 is provided with a circular shoulder 50 of a size tofrictionally engage within the end of the tubular barrel 35. Theshoulder portion 50 of the bit is concave or inwardly vbeveled at 5I anda tubular projection 52 extends forwardly from the bit and accommodatesthe smoke passage 53. The tube 52 may be formed integrally with the bit39 or may be inserted thereinto, as in the present drawing. A passage 54through the bit communicates with the passage 53 through the tubularelement 52 so as to permit the smoke to pass freely from one end of thebit to the other. The concave shape of the end Vof the bit increases thedistance of ilow of condensation in order to enter the smoke passage 53through the tube 52.

. A series of Aspaced Vertical tubular flues 55 extend through thebarrel 35 from top to bottom thereof.v These flues 55 may be integralwith the walls of-thetubular barrel 35, or may'be pressed into the wallswith a tight t to prevent leakage around theflues; The tubes, 55 permitair to constantlyilow therethrough and the outside of thesetubes permiticientfheat transfer from the heated smoke and gases within the barrel35 to the air flow through the tubes 55. Because of 4the fact that thetubes or flues are heated during the use of the pipe, a constant ow ofair therethrough is insured. 'I-he operation of the pipe'B is believedclear- 1y understood from the foregoing description. IIfhesmoke from thebowl 4I passes through the tubular 'shank' 45 of fthe-bolt43* andthrough the barrel 35, being'withdrawn -through the tubular passage'53in the tubular element 52 andth'rough thersmoke passage 54 in the bit39. During its movement through the pipe the smoke is in'conf stahtcontact with the relatively cooler flues 55, thereby acting toremove-partei the heat' con# by provided. I Y y A l' In Figure 11 of thedrawing I illustrate a pipe barrelfwhich is indicated in general by theletter G. The barrel :C is designedto take'the placeo'f the barrel35which has just been described. The barrel C comprises a tubular body56 which may be tapered at its ends 51 and 59. A boss 60 on the pipe hasa threaded opening BI therethrough to accommodate the threaded hollowshank of a bolt such as 43, used for holding a bowl such as 4I in place.A plug such as 40 is to be used with the barrel C and a bit 39 is alsoto be used with this barrel.

In virtually all respects the barrel C is identical to the barrel 35,with the exception that in place of the numerous spaced fiues 55 of thepipe B, I provide a single elongated flue 62 extending through thebarrel body 5E. This iiue 52 is sealed with respect to the walls of thebarrel 55 and allows a free flow of air therethrough during operation ofthe pipe. This type of flue is somewhat desirable in that it may be moreYeasily cleaned than the barrel 35 including spaced flues 55. Flueswhich extend horizontally rather than vertically might in some instancesbe utilized.

In accordance with the patent statutes, I have described the principlesof construction and operation of my pipe, and while I have endeavored toset forth the best embodiments thereof, I desire to have it understoodthat obvious changes may be made within the scope of the followingclaims without departing from the spirit of my invention.

I claim:

l. A smoking pipe comprising an elongated tubular barrel, a bowl securedthereto and having a passage therefrom communicating with the interiorof said barrel, a bit secured to one end of said barrel normally closingthe same, a tube projecting from said bit and extending longitudinallythrough said barrel, a plug encircling the free end of said tube andclosing the other end of said barrel, a passage transversely throughsaid bit in communication with the end of said tube, and a pair ofoppositely disposed smoke passages extending through said bit in spacedrelation to said tube and said passage, and tubular projections on theend of said bit in communication with said smoke passages extending intosaid barrel.

2. A smoking pipe comprising an elongated tubular barrel, a bowl securedthereto and having a passage therefrom communicating with the interiorof said barrel, a plug normally closing one end of said barrel, a bitnormally closing the other end of said barrel, a tube extendinglongitudinally of said barrel, said tube extending through said plug andembedded into said bit, a transverse passage through said bit incommunication with the end of said tube, a pair of smoke passagesoppositely disposed on either side of said transverse passage and inspaced relation to said passage and said tube, said smoke passageextending longitudinally through said bit, and tubular projections onsaid bit in communication with said smoke passages extending into saidbarrel in spaced relation with the walls of said barrel and in spacedrelation with said tube.

3. A smoking pipe comprising an elongated tubular barrel, a bowl securedthereto and having a passage therefrom communicating with the interiorof said barrel, a plug normally closing one end of said tubular barrel,a bit normally closing the other end of said barrel, a tubular memberextending longitudinally of said barrel and extending into said plug, anaxial passage in said plug in communication with said tubular member, alongitudinal passage in said bit in communication with the other end ofsaid tubular member, a transverse passage spaced from the ends of saidbit extending therethrough in communication with said longitudinalpassage, said transverse passage, longitudinal' passage, tubular member,and passage in said plug forming an air conduit out of communicationwith the remainder of the interior of said pipe, a pair of oppositelydisposed smoke passages extending longitudinally through said bit inspaced relation to said first named longitudinal passage and saidtransverse passage, said smoke passages extending on a straight linethrough said bit and into the interior of said barrel.

4. A smoking pipe comprising an elongated tubular barrel, a bowl securedthereto and having a passage therefrom communicating with the interiorof said barrel, a plug normally closing one end of said barrel, a bitnormally closing the other end of said barrel, an elongated tubularmember within said barrel, an opening in said plug to receive one end ofsaid tubular member, a longitudinal aperture in said bit incommunication with the other end of said tubular element, a transversepassage through said bit in communication with said longitudinalaperture, a concave inner end on said bit, a pair of hollow tubularelements projecting into vsaid barrel from said concave end of said bit,said` tubular elements arranged in spaced relation to said tubularmember and the walls of said barrel, and smoke passages extendinglongitudinally through said barrel in communication with said tubularelements.

5. A smoking pipe comprising an elongated tubular barrel, a bowlsecured-y thereto and having a passage therefrom into communication withthe interior of said barrel, a plug normally Vclosing one end of saidbarrel, a bit normally closing the other end of said barrel, a hollowtubular element connecting said plug and said bit, a passage throughsaid plug communicating with the interior of said tubular member, atransverse passage through said bit communicaitng with the other end ofsaid tubular member, longitudinal smoke passage means through said bitinto the interior of said barrel and spaced from said transverse passageand said tubular member, said tubular member being of substantiallysmaller diameter than the interior of said barrel and supported inspaced relation with respect thereto, and spiral grooves on the exteriorsurface of said tubular member.

PHILIP J. STIEGER.

